-er -up a-a a-t aaa aae aan aap aar aat aau aax aea aee aen aep aer aet aeu aex an- ana ane ann anp anr ant anu anx ap- apa ape apn app apr apt apu apx ar- ara are arn arp arr art aru arx at- ata ate atn atp atr att atu atx au- aua aue aun aup aur aut aux ax- axa axe axn axp axr axt axx eaa eae ean eap ear eat eau eax eea eee een eep eer eet eex en- ena ene enn enp enr ent enu ep- epa epe epn epp epr ept epu epx era ere ern erp err ert eru eta ete etn etp etr ett etu etx eu- eua eue eun eup eur eut eux ex- exa exe exp exr ext exu exx naa nae nan nap nar nat nau nax ne- nea nee nen nep ner net neu nex nna nne nnn nnp nnt nnu npa npe npn npp npr npt npu nra nre nrn nrp nrr nrt nru nrx nta nte ntn ntp ntr ntt ntu ntx nua nue nun nup nur nut nuu nux nxt p-p paa pae pan pap par pat pau pax pea pee pen pep per pet peu pex pn- pna pne pnn pnp pnr pnt pnu pnx ppa ppe ppn ppp ppr ppt ppu ppx pra pre prn prp prr prt pru prx pt- pta pte ptn ptp ptr ptt ptu ptx pua pue pun pup pur put puu pxe pxr pxt ra- raa rae ran rap rar rat rau rax re- rea ree ren rep rer ret reu rex rna rnn rnp rnr rnt rnu rpa rpe rpn rpp rpr rpt rpu rpx rra rrn rrp rrr rrt rru rta rte rtn rtp rtr rtt rtu rtx rua rue run rup rur rut ruu rux rxp rxr t-x taa tae tan tap tar tat tau tax te- tea tee ten tep ter tet teu tex tna tne tnn tnp tnr tnt tnx tpa tpe tpn tpp tpr tpt tpu tpx tra tre trn trp trr trt tru trx tta tte ttn ttp ttr ttt ttu ttx tua tue tun tup tur tut tuu tux txe txn txt txu ua- uaa uae uan uap uar uat uau uea uee uen uep uer uet un- una une unn unp unr unt unu unx up- upa upe upn upp upr upt upu upx ur- ura ure urn urp urr urt uru urx uta ute utn utp utr utt utu utx uua uue uun uur uut uuu uxr uxt uxu xaa xan xap xar xat xau xee xen xep xer xet xeu xex xna xnu xpa xpe xpn xpp xpt xrt xrx xtp xtr xtx xue xun xup xxp xxx